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Finding the Fourth Proportional to 5,503.82, 8,240.16 and 4,984.88

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Solution

The fourth proportional to 5,503.82, 8,240.16 and 4,984.88 is: 7,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.82 : 8,240.16 = 4,984.88 : x
  2. Step 2: Convert to fraction form
    5,503.82/8,240.16 = 4,984.88/x
  3. Step 3: Cross multiply
    5,503.82x = 8,240.16 × 4,984.88
  4. Step 4: Simplify right side
    5,503.82x = 41,076,208.78
  5. Step 5: Solve for x
    x = 41,076,208.78/5,503.82
  6. Step 6: Final answer
    x = 7,463.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.